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C# Articles, Tutorials & News
C# articles, tutorials, and news from the DotNetNews archive.
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Browse additional C# articles from the DotNetNews archive.
C# articles
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Session vs Token-Based Authentication in MERN: When to Use What
c-sharpcorner.com Issue #254
Learn how authentication works in the MERN stack. Understand session vs token-based methods, use of JWT, cookies, security practices, and when to choose each approach for building secure web applicati...
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Your IP Whitelist Isn’t Security — The Microsoft Zero Trust Guide for .NET Developers
blog.devgenius.io Issue #254
How Microsoft Engineers Secure .NET Apps — And Why You Can’t Afford Not To Continue reading on Dev Genius »
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Enums in C#: A Beginner’s Guide to Smarter, Safer Code
medium.com Issue #253
https://medium.com/@sweetondonie/enums-in-c-a-beginners-guide-to-smarter-safer-code-cd3374786bbe
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You Thought Async Was Faster — These 5 Sync Fixes Prove Otherwise in .NET
medium.com Issue #253
https://medium.com/@mohsho10/you-thought-async-was-faster-these-5-sync-fixes-prove-otherwise-in-net-a706c52b02bb
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10 Sharp C# Tricks That Made My Codebase 30% Smaller
medium.com Issue #253
https://medium.com/@yaseer.arafat/10-sharp-c-tricks-that-made-my-codebase-30-smaller-e35b7c7cb44c
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5 More .NET Tips That Make Your Code Faster, Smarter & Leaner
medium.com Issue #253
https://medium.com/@freakyali/5-more-net-tips-that-make-your-code-faster-smarter-leaner-e071f1a845f5
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Vibe Coding Is Actually Prompt-Oriented Development (POD)
c-sharpcorner.com Issue #253
https://www.c-sharpcorner.com/article/vibe-coding-is-actually-prompt-oriented-development-pod/
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A complete guide to async programming in C#: understand threading, non-blocking I/O, await…
medium.com Issue #253
https://medium.com/@lstalin.paul/a-complete-guide-to-async-programming-in-c-understand-threading-non-blocking-i-o-await-f3f178dc6746
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Rethinking Switch Statements in C#: Embrace Polymorphism Instead
blog.stackademic.com Issue #253
https://blog.stackademic.com/rethinking-switch-statements-in-c-embrace-polymorphism-instead-a68689b214f9
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The Silent Scalability Killers Hiding in Your .NET Code — 15 Fixes That Work
towardsdev.com Issue #252
https://towardsdev.com/the-silent-scalability-killers-hiding-in-your-net-code-15-fixes-that-work-38bb072db40c
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MCP C# SDK Gets Major Update: Support for Protocol Version 2025-06-18
devblogs.microsoft.com Issue #252
https://devblogs.microsoft.com/dotnet/mcp-csharp-sdk-2025-06-18-update/
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How I Built a .NET Security Scanner Without a Security Team (And Blocked 90% of Vulnerabilities)
medium.com Issue #252
https://medium.com/c-sharp-programming/how-i-built-a-net-security-scanner-without-a-security-team-and-blocked-90-of-vulnerabilities-ac0803ef5bea
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When Lifetimes Collide: A C# Developer’s Journey Through Transient, Scoped & Singleton
medium.com Issue #252
https://medium.com/@brian.moraboza/when-lifetimes-collide-a-c-developers-journey-through-transient-scoped-singleton-40c88ec1afe2
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Stop Allocating Arrays in C#: Use These 10 Game-Changing ArrayPool Hacks
medium.com Issue #252
https://medium.com/@ashokreddy343/stop-allocating-arrays-in-c-use-these-10-game-changing-arraypool-hacks-015a0f6007d9
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5 .NET Tips That Instantly Make Your Code Look Senior-Level
medium.com Issue #252
https://medium.com/@freakyali/5-net-tips-that-instantly-make-your-code-look-senior-level-3b381895cf85
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Response Caching in C#
medium.com Issue #252
https://medium.com/@shreyans_padmani/response-caching-in-c-4498ef929cd4
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C# Reflection Explained with Real Code Examples
c-sharpcorner.com Issue #252
https://www.c-sharpcorner.com/article/c-sharp-reflection-explained-with-real-code-examples/
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“Mastering Asynchronous Programming in C#: A Hands-On Guide”
medium.com Issue #251
https://medium.com/@lstalin.paul/mastering-asynchronous-programming-in-c-a-hands-on-guide-f166a44ae44c
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⏳ Why Async/Await in .NET Isn’t Just About Speed But It’s About Writing Smarter Code
medium.com Issue #251
https://medium.com/@siddhesh.yellaram07/why-async-await-in-net-isnt-just-about-speed-but-it-s-about-writing-smarter-code-7c43a6c988b4
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String, StringBuilder, Span: The Secrets to Better Code
medium.com Issue #250
https://medium.com/nerd-for-tech/string-stringbuilder-span-the-secrets-to-better-code-4f80e93baf9f
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Vibe coding: a blessing or a curse for .NET developer?
medium.com Issue #250
https://medium.com/@denmaklucky/vibe-coding-a-blessing-or-a-curse-for-net-developer-f380f60c7b4e
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The Death of var (In My Codebase)
medium.com Issue #250
https://medium.com/@kelvroman/the-death-of-var-in-my-codebase-154a6e13caea
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10 Underrated C# Features You Should Be Using
medium.com Issue #250
https://medium.com/@kittikawin_ball/10-underrated-c-features-you-should-be-using-136c506b16f4
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Deep Dive: Understanding IAsyncEnumerable In Real-World .NET Applications
medium.com Issue #249
https://medium.com/@freakyali/deep-dive-understanding-iasyncenumerable-in-real-world-net-applications-a09addfafefc
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C# Enums Explained Simply — How Do They Work?
medium.com Issue #249
https://medium.com/@sweetondonie/c-enums-explained-simply-how-do-they-work-52ab07691ec1